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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HWUI_CACHES_H
#define ANDROID_HWUI_CACHES_H
#ifndef LOG_TAG
#define LOG_TAG "OpenGLRenderer"
#endif
#include <utils/Singleton.h>
#include "Extensions.h"
#include "FontRenderer.h"
#include "GammaFontRenderer.h"
#include "TextureCache.h"
#include "LayerCache.h"
#include "GradientCache.h"
#include "PatchCache.h"
#include "ProgramCache.h"
#include "ShapeCache.h"
#include "PathCache.h"
#include "TextDropShadowCache.h"
#include "FboCache.h"
#include "ResourceCache.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Globals
///////////////////////////////////////////////////////////////////////////////
#define REQUIRED_TEXTURE_UNITS_COUNT 3
#define REGION_MESH_QUAD_COUNT 512
// Generates simple and textured vertices
#define FV(x, y, u, v) { { x, y }, { u, v } }
// This array is never used directly but used as a memcpy source in the
// OpenGLRenderer constructor
static const TextureVertex gMeshVertices[] = {
FV(0.0f, 0.0f, 0.0f, 0.0f),
FV(1.0f, 0.0f, 1.0f, 0.0f),
FV(0.0f, 1.0f, 0.0f, 1.0f),
FV(1.0f, 1.0f, 1.0f, 1.0f)
};
static const GLsizei gMeshStride = sizeof(TextureVertex);
static const GLsizei gMeshTextureOffset = 2 * sizeof(float);
static const GLsizei gMeshCount = 4;
///////////////////////////////////////////////////////////////////////////////
// Debug
///////////////////////////////////////////////////////////////////////////////
struct CacheLogger {
CacheLogger() {
LOGD("Creating OpenGL renderer caches");
}
}; // struct CacheLogger
///////////////////////////////////////////////////////////////////////////////
// Caches
///////////////////////////////////////////////////////////////////////////////
class Caches: public Singleton<Caches> {
Caches();
~Caches();
friend class Singleton<Caches>;
CacheLogger mLogger;
GLuint mCurrentBuffer;
// Used to render layers
TextureVertex* mRegionMesh;
GLuint mRegionMeshIndices;
mutable Mutex mGarbageLock;
Vector<Layer*> mLayerGarbage;
public:
/**
* Indicates whether the renderer is in debug mode.
* This debug mode provides limited information to app developers.
*/
DebugLevel getDebugLevel() const {
return mDebugLevel;
}
/**
* Call this on each frame to ensure that garbage is deleted from
* GPU memory.
*/
void clearGarbage();
/**
* Can be used to delete a layer from a non EGL thread.
*/
void deleteLayerDeferred(Layer* layer);
/**
* Binds the VBO used to render simple textured quads.
*/
void bindMeshBuffer();
/**
* Binds the specified VBO if needed.
*/
void bindMeshBuffer(const GLuint buffer);
/**
* Unbinds the VBO used to render simple textured quads.
*/
void unbindMeshBuffer();
/**
* Returns the mesh used to draw regions. Calling this method will
* bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the
* indices for the region mesh.
*/
TextureVertex* getRegionMesh();
/**
* Displays the memory usage of each cache and the total sum.
*/
void dumpMemoryUsage();
bool blend;
GLenum lastSrcMode;
GLenum lastDstMode;
Program* currentProgram;
// VBO to draw with
GLuint meshBuffer;
// GL extensions
Extensions extensions;
// Misc
GLint maxTextureSize;
TextureCache textureCache;
LayerCache layerCache;
GradientCache gradientCache;
ProgramCache programCache;
PathCache pathCache;
RoundRectShapeCache roundRectShapeCache;
CircleShapeCache circleShapeCache;
OvalShapeCache ovalShapeCache;
RectShapeCache rectShapeCache;
ArcShapeCache arcShapeCache;
PatchCache patchCache;
TextDropShadowCache dropShadowCache;
FboCache fboCache;
GammaFontRenderer fontRenderer;
ResourceCache resourceCache;
private:
DebugLevel mDebugLevel;
}; // class Caches
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_CACHES_H
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